DONATIONS. 281 



Kingt W, On Pleurodictyum problematicum. 



Kjerulfy Th, Das Christiania-Silurbecken, chemisch-geognostisch 

 untersucht. 



Logan, Sir W. E. et T. S. Hunt. Esquisse geologique du Canada, 

 pour servir a I'mtelligence de la Carte Geologique et de la Collec- 

 tion des Mineraux Economiques envoyees al'Exposition Univer- 

 selle de Paris, 1855. 



Macgillivray, W. The Natural History of Deeside and Braemar. 

 Edited by E. Lankester. From H.R.H. Prince Albert. 



Mortillet, G. de. Histoire de la Savoie avant 1' Homme. 



. Trias du Chablais. 



Roemer, Ferd. Palseoteuthis, eine Gattung nackter Cephalopoden 

 aus Devonischen Scbichten der Eifel. 



Ryckholt, Baron P. de. Melanges Paleontologiques, 2°"^ partie. 



Sedgwick, A. A Synopsis of the Classification of the British Palaeo- 

 zoic Rocks. With a Systematic Description of the British 

 Palaeozoic Fossils, by Fred. M'Coy. 3rd Fasciculus. 



Tchihatchef, P. de. Lettre sur les Antiquites de I'Asie Mineure, 

 adressee a M. Mohl. 



The Correspondence relating to the Lancet Sanitary Commission. 

 From Messrs. Tegg and Co. 



Webster, T. The case of Josiah Marshall Heath, the inventor and 

 introducer of the manufacture of welding Cast Steel from British 

 Iron. 



Yates, James. Narrative of the Origin and Formation of the Inter- 

 national Association for obtaining a uniform Decimal System of 

 Measures, Weights, and Coins. 



Zepharovich, V. R. von. Der Jaulingit, ein neues Fossiles Harz aus 

 der Jauling nachst St. Veit a. d. Triesting in Nieder-Osterreich. 



